Buddhism and Hindusim are definitely mutually opposed. Hinduism accepts the Atman and Buddhism rejects it. This makes for a radically different philosophy.
Mahayana Buddhism is more of a middle-way between Buddhism and Hinduism. So if you are interested in syncretic approach that combines the best of Buddhism and Hinduism then this is the best approach.
In any case as a Hindu I would one steer one away Buddhism because it is a nihilisitic and atheist religion that
- Rejects our potential and reduces us to nothing more than nothingness.
 - It preaches that desire is the root of suffering and evil and expects us to live boring and simple lives devoid of colour, festivity and celeberation.
 
I was quite accepting of Buddhism in the past but now I see it as a rather insidious and life denying belief system. It is tamasic. It dulls life. It’s just
as bad as Christianity in some respects. In fact Christianity seems to have a huge influence of Buddhism.
In any case I think the original historical Buddha and the original historical Jesus were realised yogis and did not teach the nonsense their followers later
interpreted and institutionalized.
      
    

